Matti Pellonpää
type: MusicGroup
genre: finnish pop
genre: finnish rock
genre: iskelmä
description: Matti Pellonpää (28 March 1951 – 13 July 1995) was a Finnish actor and a musician. He rose to international fame with his roles in both Aki Kaurismäki's and Mika Kaurismäki's films; particularly being
popularity: 6
followers: 194
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954553
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ad9c7cfa-d009-467c-a570-297cc323643c.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ad9c7cfa-d009-467c-a570-297cc323643c
additional property: OTSTimestamp
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  value: 2026-06-20T11:51:30Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd9fbe1de92c76a8e91633be393ea7c9683430dcb509b3b8bb212c13175cf28. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad9c7cfa-d009-467c-a570-297cc323643c.json and https://artists.proofprofile.net/proofs/artist/ad9c7cfa-d009-467c-a570-297cc323643c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T11:51:30Z
  text: {"copyright_id":"0x7cd9fbe1de92c76a8e91633be393ea7c9683430dcb509b3b8bb212c13175cf28","name":"Matti Pellonpää","registered_at":"2026-06-20T10:15:00Z","symbol":"NIM1590113","token_address":"0x75175258a00bf4b4a405831a531edd98abe41399","type":"artist","uuid":"ad9c7cfa-d009-467c-a570-297cc323643c"}
album: Jurtzantaa!
  type: MusicAlbum
  date published: 1985
  track: Keke Rosberg Formula rock
    type: MusicRecording
    duration: PT2M3S
    duration ms: 123678
    explicit: false
    by artist: Matti Pellonpää
    in album: Jurtzantaa!
      type: MusicAlbum
      date published: 1985
    genre: finnish pop
    genre: finnish rock
    genre: iskelmä
    isrc code: FIFMF1233992
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIFMF1233992
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92fc9b40dcf0b2bf9e58752979ceac2bc484ed3f6cf7fb338d0fe2f5b44d5af1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIFMF1233992.
      date published: 2026-07-03T19:59:51Z
    audio: Keke Rosberg Formula rock
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: -9.94
      additional property: Key Name
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        value: D
      additional property: Mode Name
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